872247 has 16 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 551040.

The previous prime is 872243. The next prime is 872251. The reversal of 872247 is 742278.

It is an interprime number because it is at equal distance from previous prime (872243) and next prime (872251).

It is not a de Polignac number, because 872247 - 2² = 872243 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872247.

It is not an unprimeable number, because it can be changed into a prime (872243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7663 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁸⁷²²⁴⁷ is an apocalyptic number.

872247 is a deficient number, since it is larger than the sum of its proper divisors (353481).

872247 is a wasteful number, since it uses less digits than its factorization.

872247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 6272, while the sum is 30.

The square root of 872247 is about 933.9416469994. The cubic root of 872247 is about 95.5461432850.

The spelling of 872247 in words is "eight hundred seventy-two thousand, two hundred forty-seven".